summaryrefslogtreecommitdiffstats
path: root/lib/libc/gen/valloc.3
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/gen/valloc.3')
-rw-r--r--lib/libc/gen/valloc.375
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/libc/gen/valloc.3 b/lib/libc/gen/valloc.3
new file mode 100644
index 0000000..610ca1c
--- /dev/null
+++ b/lib/libc/gen/valloc.3
@@ -0,0 +1,75 @@
+.\" Copyright (c) 1980, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" @(#)valloc.3 8.1 (Berkeley) 6/4/93
+.\" $FreeBSD$
+.\"
+.Dd October 30, 2007
+.Dt VALLOC 3
+.Os
+.Sh NAME
+.Nm valloc
+.Nd aligned memory allocation function
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In unistd.h
+.Ft void *
+.Fn valloc "size_t size"
+.Sh DESCRIPTION
+The
+.Fn valloc
+function is obsoleted by
+.Xr posix_memalign 3 ,
+which can be used to request page-aligned allocations.
+.Pp
+The
+.Fn valloc
+function
+allocates
+.Fa size
+bytes aligned on a page boundary.
+.Sh RETURN VALUES
+The
+.Fn valloc
+function returns
+a pointer to the allocated space if successful; otherwise
+a null pointer is returned.
+.Sh SEE ALSO
+.Xr posix_memalign 3
+.Sh HISTORY
+The
+.Fn valloc
+function appeared in
+.Bx 3.0 .
+.Pp
+The
+.Fn valloc
+function correctly allocated memory that could be deallocated via
+.Fn free
+starting in
+.Fx 7.0 .
OpenPOWER on IntegriCloud